Deja Vu MCP Server

The one memory your coding agents share, built from the history already on your disk. It runs locally over stdio via the published package.

People who work with codex, opencode and agent memory and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Go.

VERIFIED ACTIVE

LAST COMMIT 2026-09-18 · ★ 829 · #9 OF 229 MAINTAINED CODING AGENT · VERIFIED 2026-09-18

MIT · Go servers · how we verify → /methodology

01 · Install Deja Vu

before you install - you'll need

Set OPENAI_API_KEY, DEJA_EMBED_URL, DEJA_EMBED_MODEL, DEJA_EMBED_KEY before connecting.

Claude Code

claude mcp add vshulcz-deja-vu -- npx -y @vshulcz/deja-vu

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "vshulcz-deja-vu": {
      "command": "npx",
      "args": [
        "-y",
        "@vshulcz/deja-vu"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @vshulcz/deja-vu - published under the repo owner's npm scope (@vshulcz)

registry namespace io.github.vshulcz is GitHub-verified and matches the repo owner

03 · What Deja Vu can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.20.1 · 2026-09-15

Changed · The relevance tier reads and folds the messages that matched instead of every message of every candidate. The ranking already knew which records they were - the per-message signals are keyed by their offsets…

v0.20.0 · 2026-09-12

The release where every line deja gives an agent was read off a real store · rather than a fixture, and the same question asked of each one: is this about · what was asked. The answers were bad. 42% of the conclusions…

v0.19.5 · 2026-09-09

The release where deja stopped reading the harness's own text as the person's · words. Two dozen parsers were checked against real stores and every one of them · was quoting something back that nobody typed - an…

04 · Who maintains Deja Vu

deja-vu is maintained by vshulcz. It's the only MCP server we track from this author; the repo dates to Jul 2026.

05 · Facts

category
coding agent - ranked #9 of 229 actively-maintained coding agent servers as of 2026-09-18.
release cadence
9 releases in the last 90 days (latest 2026-09-15)
registry
io.github.vshulcz/deja-vu (active, first published 2026-07-16 · 38 versions)
packages
npm:@vshulcz/deja-vu

06 · Deja Vu FAQ

What is Deja Vu?

The one memory your coding agents share, built from the history already on your disk. It runs locally over stdio via the published package.

Is Deja Vu still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-18 and it shipped 9 releases in the last 90 days. We re-verify nightly.

How do I install Deja Vu?

Run `npx -y @vshulcz/deja-vu`. The README documents 4 environment variables (OPENAI_API_KEY, DEJA_EMBED_URL, DEJA_EMBED_MODEL…) to set first. Set OPENAI_API_KEY, DEJA_EMBED_URL, DEJA_EMBED_MODEL, DEJA_EMBED_KEY before connecting. You can also paste the ready-made client config above.

Does Deja Vu run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Deja Vu